18515215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6287}}^1$

素因数の和:6342

約数の個数: 16

約数和(自身を含む): 24145920

約数和(自身を除く): 5630705

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 6287, 31435, 119453, 194897, 597265, 974485, 3703043, 18515215]

約数ペア:

[(1, 18515215), (5, 3703043), (19, 974485), (31, 597265), (95, 194897), (155, 119453), (589, 31435), (2945, 6287)]